Koepcke's Hermit (Phaethornis koepckeae) - HBW 5, p. 543

Taxonomy:Phaethornis koepckeae Weske and Terborgh, 1977, Cerros del Sira, Peru. In past, sometimes placed in genus Ametrornis. Closely related to P. philippii, replacing it at higher elevations; also related to P. syrmatophorus. Significant differences in size between some populations may be the result of long-term isolation. Monotypic.